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Altera_Forum
Honored Contributor
12 years agohow do i 'embed' a legacy cpu inside Altera chips???
Hi All, I did some searching and couldnt find anything related, So.... I'd like to know how i go about embedding and old 6809 cpu inside an Altera chip, i *think* the cyclone range supports t...
Altera_Forum
Honored Contributor
12 years agoFrom what I remember of the 6809, getting cycle accuracy shouldn't be a problem.
Largely it did a memory cycle every clock - but there might be an idle cycle after the instruction fetch. Given that the 6809's clock was probably ~1Mhz you could probably get a 100Mhz nios to emulate it! Although writing a 6809 cpu might be an interesting hobby exercise.